Bulletin I20203 rev. C 03/04
85HF(R) SERIES
STANDARD RECOVERY DIODES
Stud Version
Features
High surge current capability
Stud cathode and stud anode version
Leaded version available
Types up to 1600V V
RRM
85 A
Typical Applications
Battery charges
Converters
Power supplies
Machine tool controls
Welding
Major Ratings and Characteristics
85HF(R)
Parameters
I
F(AV)
@ T
C
I
F(RMS)
I
FSM
@ 50Hz
@ 60Hz
I
2
t
@ 50Hz
@ 60Hz
V
RRM
T
J
range
range
100 to 1200
- 65 to 180
10 to 120
85
140
133
1700
1800
14500
13500
140 , 160
85
110
Units
A
°C
A
A
A
A
2
s
A
2
s
1400 , 1600
- 65 to 150
V
°C
case style
DO-203AB (DO-5)
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85HF(R) Series
Bulletin I20203 rev. C 03/04
ELECTRICAL SPECIFICATIONS
Voltage Ratings
Type number
Voltage
Code
V
RRM
, maximum
repetitive peak
reverse voltage
V
100
200
400
600
800
1000
1200
1400
1600
V
RSM
, maximum non-
repetitive peak
reverse voltage
V
200
300
500
700
900
1100
1300
1500
1700
I
RRM
max.
@ T
J
= T
J
max.
mA
9
10
20
40
85HF(R)
60
80
100
120
140
160
4.5
Forward Conduction
Parameter
I
F(AV)
Max. average forward current
@ Case temperature
I
F(RMS)
Max. RMS forward current
I
FSM
Max. peak, one-cycle forward,
non-repetitive surge current
85HF(R)
Units Conditions
10 to 120 140 , 160
85
140
133
1700
1800
1450
1500
A
85
110
A
°C
A
t = 10ms
t = 8.3ms
t = 10ms
t = 8.3ms
t = 10ms
t = 8.3ms
A
2
s
t = 10ms
t = 8.3ms
A
2
√s
No voltage
reapplied
100% V
RRM
reapplied
No voltage
reapplied
100% V
RRM
reapplied
Sinusoidal half wave,
Initial T
J
= T
J
max.
180° conduction, half sine wave
I
2
t
Maximum I
2
t for fusing
14500
13500
10500
9400
I
2
√t
V
F(TO)
V
F(TO)
r
f
r
f
V
FM
Maximum I
2
√t
for fusing
Value of threshold
voltage (up to 1200V)
Value of threshold
voltage (for 1400V, 1600V)
Value of forward slope
resistance (up to 1200V)
Value of forward slope
resistance (up to 1200V)
Max. forward voltage drop
1.2
16000
0.68
t = 0.1 to 10ms, no voltage reapplied
T
J
= T
J
max.
V
0.69
1.62
mΩ
1.75
1.4
V
T
J
= T
J
max.
I
pk
= 267A, T
J
= 25°C, t
p
= 400µs rectangular wave
T
J
= T
J
max.
T
J
= T
J
max.
2
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85HF(R) Series
Bulletin I20203 rev. C 03/04
Thermal and Mechanical Specifications
Parameter
T
J
T
stg
R
thJC
R
thCS
Max. junction operating temperature range
Max. storage temperature range
Max. thermal resistance, junction to case
Max. thermal resistance, case
to heatsink
Maximum shock
Maximum constant vibration
Maximum constant acceleration
T
wt
Max. allowed mounting torque ±10%
Approximate weight
Case style
(1)
Available only for 88HF
85HF(R)
10 to 120
140 to 160
-65 to 180
-65 to 180
-65 to 150
-65 to 150
Units
°C
Conditions
0.35
0.25
1500g
20g
5000g
2.3 - 3.4
20 - 30
17 (0.6)
DO-203AB (DO5)
Nm
lbf
·
in
g (oz)
K/W
DC operation
Mounting surface, smooth, flat and
greased
see note (1)
50Hz
Stud outwards
see note (1)
see note (1)
Not lubricated threads
unleaded device
See Outline Table
∆R
thJC
Conduction
(The following table shows the increment of thermal resistence R
thJC
when devices operate at different conduction angles than DC)
Conduction angle
180°
120°
90°
60°
30°
Sinusoidal conduction
0.10
0.11
0.13
0.17
0.26
Rectangular conduction Units
0.08
0.11
0.13
0.17
0.26
K/W
Conditions
T
J
= T
J
max.
Ordering Information Table
Device Code
85
1
1
-
HF
2
R
3
160
4
M
5
85 = Standard device
86 = Not isolated lead
87 = Isolated lead with silicone sleeve
(Red = Reverse polarity)
(Blue = Normal polarity)
88 = Type for rotating application
2
3
4
5
-
-
-
-
Standard diode
None = Stud Normal Polarity (Cathode to Stud)
R
= Stud Reverse Polarity (Anode to Stud)
Voltage code: Code x 10 = V
RRM
(See Voltage Ratings table)
None = Stud base DO-203AB (DO-5) 1/4" 28UNF-2A
M
= Stud base DO-203AB (DO-5) M6 X 1 - (Not available for 88HF)
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85HF(R) Series
Bulletin I20203 rev. C 03/04
Outlines Table
85HF(R)
Case Style DO-203AB (DO-5)
All dimensions in millimeters (inches)
86HF(R)
Case Style DO-203AB (DO-5)
All dimensions in millimeters (inches)
4
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85HF(R) Series
Bulletin I20203 rev. C 03/04
Outlines Table
88HF(R)
Case Style DO-203AB (DO-5)
All dimensions in millimeters (inches)
Maximum Allowable Case Temperature (°C)
85HF(R) Series (100V to 1200V)
RthJC (DC) = 0.35 K/W
Maximum Allowable Case Temperature (°C)
180
170
160
150
180
170
160
150
85HF(R) Series (100V to 1200V)
RthJC (DC) = 0.35 K/W
Conduction Angle
Conduction Period
30˚
30˚
140
130
60˚
90˚
120˚
180˚
140
130
0
20
60˚
90˚
120˚
180˚
DC
0 10 20 30 40 50 60 70 80 90 100
Average Forward Current (A)
Fig. 1 - Current Ratings Characteristics
40
60
80
100 120 140
Average Forward Current (A)
Fig. 2 - Current Ratings Characteristics
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